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F-169 Prognosis of pulmonary cement embolism after vertebroplasty
( Hye-rin Kang ),( Chang-hoon Lee ) 대한결핵 및 호흡기학회 2016 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.121 No.-
Purpose: Pulmonary cement embolism (PCE) is caused by cement leakage after vertebroplasy. However, the prognosis of PCE has been rarely investigated. The aim of this study was to evaluate the impact of pulmonary cement embolism on all cause-mortality. Method: Patients of PCE documented on chest radiographs between 2005 and 2014 in Seoul National University Hospital were endrolled. They were compared with randomly selected age, sex, and the year of chest radiographs-matched (1:5) controls who underwent vertebroplasty but revealed no PCE. Survival data were analyzed with cox proportional hazard regression models. Results: In total, 42 PCE cases and 210 controls were included. PCE group had fewer cases with hypertension and malignancy compared with controls. During 9years, 12 (29%) cases among PCE cases and 98 (46%) cases among controls died. Most common cause of death in both PCE group and control group was malignancy (58%, 89%). We did not find a significant increase in the risk of all-cause mortality in patients with PCE after adjustment for comorbidities. (HR, 0.69; 95% CI 0.35-1.38) Conclusion: PCE has no significant impact on all-cause mortality.
( Hye Rin Kang ),( Dong Jung Kim ),( Jin Woo Lee ),( Young Jae Cho ),( Jun Sung Kim ),( Sang Min Lee ),( Jae Ho Lee ),( Sanghoon Jheon ),( Choon Taek Lee ),( Yeon Joo Lee ) 대한결핵 및 호흡기학회 2015 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.120 No.-
PURPOSE: Recently,the RESP and PRESERVE scores were developed to predict survival at initiation of ECMO for severe acute respiratory failure. No study has determined whether the risk of mortality predicted by the RESP and PRESERVE score matches the observed mortality in non-western populations.The aim of this study was to validate both scores and compare the predicting power of the two scores in Korean ARDS patients. Methods: From 2005 to 2015, 101 severe ARDS patients with VV-ECMO were analyzed. For each patient, demographic and clinical data, just before the ECMO insertion was recorded. From these data, RESP and PRESERVE score were calculated. ROC curve and AUC of the two scores were compared for hospital and 6 months survival. Results: Mean age was 54.5 and mean SOFA score was 8.7. Observed hospital and 6months survival was 22.8 %(n=23) and 21.8%(n = 22), respectively. Calculated RESP and PRESERVE score was (-1.42±3.63) and (6.69±2.42). Area under the ROC curve for the prediction of hospital survival of RESP and PRESERVE score were 0.772 and 0.644, respectively; (95% CI, 0.606-0.838, 0.504-0.785). AUC for the prediction of 6months survival of two scores was 0.714 and 0.674; (95% CI, 0.594-0.835, 0.538-0.809). RESP score showed slight higher discrimination power than PRESERVE score but the difference was not statistically significant for hospital and 6months survival (P=0.402, 0.651). Conclusion: RESP and PRESERVE score are relevant and validated tool to predict survival for Korean ARDS patients. Discrimination powers of the two scores were comparable.
( Hye-rin Kang ),( Ye Jin Lee ),( Seo Young Yoon ),( Ha Youn Lee ),( Tae Yun Park ),( Jung Kyu Lee ),( Eun Young Heo ),( Seung Ho Choi ),( Hee Soon Chung ),( Deog Keom Kim ) 대한결핵 및 호흡기학회 2019 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.127 No.-
Background: Although gastroesophageal reflux disease (GERD) associates with many respiratory disorders such as bronchial asthma, chronic cough, chronic bronchitis, and idiopathic pulmonary fibrosis, the association between GERD and lung functions is controversial and its association with lung function decline was rarely reported. This study was performed to evaluate the association of endoscopically diagnosed esophagitis (e-GERD) and lung function changes. Methods: From the Gene-environment interaction and phenotype (GENIE) cohort at Seoul national university hospital Gangnam center, patients with more than two spirometry results and two spirometry- matched endoscopy were included. E-GERD was defined when the reflux esophagitis was found persistently in two discrete endoscopic examinations. Spirometric changes of patients with e-GERD were compared with matched patients without e-GERD (ratio, 1:4). Annual FEV1 or FVC changes from baseline were estimated and compared with linear mixed regression model. Severity of e-GERD was assessed with Los Angeles (LA) classification. Results: Totally 1,050 patients (210 patients with e-GERD and their matched 840 controls) were included in final analysis. Median follow-up duration for spirometry was 6 years. In e-GERD patients, mild disease (LA, A grade) was most common (165 patients, 78.6%). The adjusted annual FEV1 change in patients with e-GERD was -51.8 ml/year while it decreased by 46.8 ml/year in controls (p=0.270). The adjusted annual FVC decline was numerically larger in GERD group than in controls without statistical significance (-55.8ml/year vs. -50.5ml/year, p=0.215). With the increase of severity in e-GERD, annual decline of FEV1 became larger in trend (-51 ml/year in LA classification A, -54.8 ml/ year in LA classification B, and -61.4 ml/year in LA classification C) without statistical significance. Also the annual decline of FVC showed similar trend. Conclusion: Comparing with controls, the annual decline of FEV1 or FVC were not statistically different in patients with e-GERD despite the more declining trend.
( Hye-rin Kang ),( Sung A Kim ),( Sun Mi Choi ),( Jinwoo Lee ),( Chang-hoon Lee ),( Jae-joon Yim ),( Nakwon Kwak ) 대한결핵 및 호흡기학회 2020 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.128 No.-
Aims Presence of cavities is a poor prognostic factor in patients with nontuberculous mycobacterial pulmonary disease. However, little is known about the characteristics of such cavities and their impact on clinical outcomes. In this study, we investigated the size and number of cavities and the implications of these variables on treatment outcomes and mortality in patients with nontuberculous mycobacterial pulmonary disease. Patients and Methods We included patients diagnosed with nontuberculous mycobacterial pulmonary disease at Seoul National University Hospital between 1 January 2007 and 31 December 2018. We measured the size and number of cavities on chest computed tomography scans performed at the time of diagnosis, and used multivariable logistic regression and Cox-proportional hazards regression analysis to investigate the impact of these measurements on treatment outcomes and mortality. Results The study cohort comprised 421 patients (non-cavitary, n=329; cavitary, n=92) with nontuberculous mycobacterial pulmonary disease. During a median follow-up period of 49 months, 118 (35.9%) of the 329 patients with non-cavitary and 62 (69.4%) of the 92 patients with cavitary nontuberculous mycobacterial pulmonary disease received antibiotic treatment. Cavities >2 cm (adjusted odds ratio [aOR], 0.38; 95% confidence interval [CI], 0.16-0.86) and presence of ≥two cavities (aOR, 0.37; 95% CI, 0.16- 0.83) were inversely associated with microbiological cure. Cavities >2 cm were also associated with higher mortality (adjusted hazard ratio, 2.49; 95% CI, 1.04-5.99). Conclusions The size and number of cavities in patients with cavitary nontuberculous mycobacterial pulmonary disease impact clinical outcomes; thus these variables could help in making clinical decisions.
The Impact of Erosive Reflux Esophagitis on the Decline of Lung Function in the General Population
Kang Hye-Rin,Lee Ye Jin,Lee Ha Youn,Park Tae Yun,Lee Jung-Kyu,Heo Eun Young,Chung Hee Soon,Choi Seung Ho,Kim Deog Kyeom 대한의학회 2021 Journal of Korean medical science Vol.36 No.5
Background: The impact of reflux esophagitis on the decline of lung function has been rarely reported. This study was performed to evaluate the association between erosive reflux esophagitis and lung function changes. Methods: We included patients with normal lung function who underwent esophagogastroduodenoscopy for health screening from a health screening center. Patients with persistent erosive reflux esophagitis on two discrete endoscopic examinations were designated as the erosive reflux esophagitis group. We also selected patients without erosive reflux esophagitis and matched them 1:4 with patients from the erosive reflux esophagitis group. We estimated annual forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC) changes from baseline and compared these estimates by the linear mixed regression model. We also estimated the biannual incidence of chronic obstructive pulmonary disease (COPD). Results: In total, 1,050 patients (210 patients with erosive reflux esophagitis, and 840 matched controls) were included. The median follow-up duration for spirometry was six years. In patients with erosive reflux esophagitis, mild reflux esophagitis (A grade) was most common (165 patients, 78.6%). The adjusted annual FEV1 change in patients with erosive reflux esophagitis was −51.8 mL/yr, while it decreased by 46.8 mL/yr in controls (P = 0.270). The adjusted annual FVC decline was similar between the two groups (−55.8 vs. −50.5 mL/ yr, P = 0.215). The estimated COPD incidence during the follow-up period was not different between the erosive reflux esophagitis and control groups. Conclusion: In patients with normal lung function, the presence of erosive reflux esophagitis did not affect the annual declines in FEV1 or FVC.
( Kang Mo Gu ),( Jae-joon Yim ),( Hye-rin Kang ),( Jimyung Park ),( Nakwon Kwak ) 대한결핵 및 호흡기학회 2020 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.128 No.-
Background Bronchoscopy is recommended for suspected non-tuberculous mycobacteria pulmonary disease (NTM-PD) if sputum culture Results are consistently negative or adequate sputum samples cannot be obtained. The aim of this study is to assess the role of post-bronchoscopy sputum in improving diagnostic accuracy for patients with suspected NTM-PD who underwent bronchoscopy. Methods Patients with suspected NTM-PD who underwent bronchoscopy for diagnosis from January 1st, 2017 to June 30th, 2020 at Seoul National University Hospital were included for analysis. Patients were classified into the sputum culture negative group or the scanty sputum group. Results of mycobacterial culture from bronchial washing specimen and post-bronchoscopy sputum were compared between two groups. Results 141 patients were included in the analysis. 39 patients were classified into the sputum culture negative group and 102 patients into the scanty sputum group. NTM was cultured from bronchial washing specimen in 38.3% (54/141) of all patients; 30.7% (12/39) of patients in sputum culture negative group and 41.2% (42/102) of patients in scanty sputum group (P=0.345). NTM was exclusively cultured from post-bronchoscopy sputum in 3.5% (5/141) patients; 7.7% (3/39) patients in sputum culture negative group and 2.0% (2/102) of patients in scanty sputum group (P = 0.255). Conclusions In patients with suspected NTM-PD who have negative Results from sputum NTM culture or scanty sputum, post-bronchoscopy sputum could play a minor role in improving diagnostic accuracy in NTM-PD.